12617368480 has 24 divisors (see below), whose sum is σ = 29808533412. Its totient is φ = 5046947328.

The previous prime is 12617368471. The next prime is 12617368487. The reversal of 12617368480 is 8486371621.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11689069456 + 928299024 = 108116^2 + 30468^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12617368480.

It is not an unprimeable number, because it can be changed into a prime (12617368487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39429117 + ... + 39429436.

Almost surely, 2^12617368480 is an apocalyptic number.

12617368480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12617368480 is an abundant number, since it is smaller than the sum of its proper divisors (17191164932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12617368480 is an equidigital number, since it uses as much as digits as its factorization.

12617368480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78858568 (or 78858560 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 46.

The spelling of 12617368480 in words is "twelve billion, six hundred seventeen million, three hundred sixty-eight thousand, four hundred eighty".